51625605 has 8 divisors (see below), whose sum is σ = 82600992. Its totient is φ = 27533648.

The previous prime is 51625589. The next prime is 51625621. The reversal of 51625605 is 50652615.

It is an interprime number because it is at equal distance from previous prime (51625589) and next prime (51625621).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51625605 - 2⁴ = 51625589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720839 + ... + 1720868.

It is an arithmetic number, because the mean of its divisors is an integer number (10325124).

Almost surely, 2^51625605 is an apocalyptic number.

It is an amenable number.

51625605 is a deficient number, since it is larger than the sum of its proper divisors (30975387).

51625605 is a wasteful number, since it uses less digits than its factorization.

51625605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441715.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 51625605 is about 7185.0960327611. The cubic root of 51625605 is about 372.3531664574.

The spelling of 51625605 in words is "fifty-one million, six hundred twenty-five thousand, six hundred five".